JP4017682B2 - Pachinko machine ball remover - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a ball removing device for removing a prize sphere from a prize sphere tank disposed at the upper back of a pachinko machine.
[0002]
[Prior art]
Conventionally, as a ball punching device of this kind of pachinko machine, for example, one described in Japanese Utility Model Publication No. 4-13023 is known. As shown in FIG. 13 to FIG. 15, this pachinko machine ball removal device is provided with a ball removal port 102 in a curve rail 101 that guides a prize ball in a prize ball tank to the prize ball dispensing device 100, and is movable to the ball removal port 102. A bottom plate 103, an engagement lever 105 for restraining the movable bottom plate 103 at a position where the ball outlet 102 is closed, and a lever member 106 linked to the engagement lever 105 are provided, and the lever member 106 is attached to the shaft 107 thereof. By rotating against the bias of the mounted coil spring 108, the engaging lever 105 is rotated to disengage the movable bottom plate 103, thereby freeing the movable bottom plate 103 and giving the prize sphere tank a prize. The sphere is configured to be extracted into the sphere removal cage 104.
[0003]
[Problems to be solved by the invention]
In the ball punching device of the pachinko machine described in the prior art, in particular, the lever member 106 is assembled such that the bearing pieces 109, 109 face the support portion 110 formed integrally with the curve rail 101, while the shaft A coil spring 108 is attached to the shaft 107 at the same time that the shaft 107 is inserted into the shaft holes 112 and 112 of the support portion 110 and the shaft holes 113 and 113 of the bearing pieces 109 and 109, and both ends of the shaft 107 are E-rings. This was performed by applying a stopper 111.
[0004]
However, in the assembly of the lever member 106 as described above, the mounting work of the coil spring 108 and the E-ring 111 is very troublesome and the work efficiency is remarkably lowered. Further, the use of metal parts such as the coil spring 108 and the E-ring 111 has a problem that not only the number of parts is increased but also the cost is increased and the cost is increased.
[0005]
The present invention has been made in view of such problems of the prior art, and the object of the present invention is to use a coil spring or E-ring without using a coil spring or an E-ring when assembling a lever member of a ball removing device. It is an object of the present invention to provide a ball patting device for a pachinko machine that can be assembled with a lever member to improve workability and reduce the number of parts to reduce the cost.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention guides a prize sphere of a prize sphere tank provided on a mechanism plate to a prize sphere dispensing device via a curve rail, and provides a ball outlet in the sphere flow path of the curve rail. , provided with a movable bottom plate in the spherical vent port, and engaging lever which restrains the movable bottom plate in close position the ball vent port, and a lever member for releasing the restraint of the movable bottom plate through the engaging lever by rotating The lever member includes a shaft projecting from a pair of bearing pieces formed on both sides of a base portion of the lever piece portion, and a long hole of the engagement lever projecting from the lever piece portion. A connecting pin facing the rim and an elastic piece in the form of a strip are integrally formed of a synthetic resin, and support portions having opening grooves formed on both side walls for inserting the shaft from the lateral direction are formed on the curved rail. A bearing portion provided at the tip of the opening groove The shaft is pivotally supported, the elastic piece is brought into contact with the support portion, the lever member is rotated and biased, and the movable bottom plate is constrained to the position where the ball outlet is closed via the engagement lever. A protrusion is provided on the curved rail attachment surface of the mechanism plate, and the protrusion is inserted into the opening groove to prevent the shaft from being removed .
[0009]
[Action]
The elastic piece provided on the support portion of the lever member positively restrains the movable bottom plate at the position where the ball outlet is closed via the engagement lever by turning and biasing the lever member. This eliminates the need for a coil spring that conventionally urges the lever member to rotate, and facilitates assembly of the lever member, thereby improving workability. In addition, the number of parts can be reduced and the cost can be reduced.
[0010]
In addition, the lever member is made of synthetic resin, and the elastic piece is integrally provided, so that it is only necessary to replace the lever member even if the elastic force of the elastic piece disappears or breaks, thereby improving the economy. Is possible.
[0011]
Further, the lever member integrally provided with the elastic piece and the shaft is pivotally supported by pushing the shaft into the opening groove of the support portion and passing it through a narrow interval. Then, the elastic piece functions to contact the support portion and reliably urge the lever member to rotate. As a result, the lever member can be easily assembled without the need for retaining the shaft by using the E-ring, and the number of parts can be reduced, resulting in high economic efficiency.
[0012]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a rear view of a pachinko machine to which the present invention is applied, FIG. 2 is a perspective view of a curved rail portion assembled with a ball removing device according to the present invention, 1 is a front frame, 1a is a game board, 2 Is a mechanism board made of synthetic resin, which is mounted on the back surface of the game board 1a so as to be freely opened and closed. A premium ball tank 3 is fixed to the upper part of the rear surface of the mechanism plate 2. A tank rail 4 is provided below the prize ball tank 3. The downstream end of the tank rail 4 is connected to a prize ball dispensing device 6 via a curve rail 5 for weakening the ball pressure. Accordingly, the prize spheres of the prize sphere tank 3 are guided to the prize sphere dispensing device 6 while being aligned by the tank rail 4 and the curve rail 5.
[0013]
FIG. 3 is an exploded perspective view of the curve rail 5, and the three strip flow paths 54 a, 54 b and 54 c are formed by overlapping the partition plates 53 and 53 between the outer plate 51 and the back plate 52. In addition, a ball breakage detection lever 55 and a micro switch 56 that is operated by pressing the lever 55 are incorporated for each of the ball flow paths 54a to 54c. Further, a common ball outlet 57 is formed in the bottom surface of each of the ball channels 54 a to 54 c, and a ball outlet passage 58 is provided below the ball outlet 57. The ball passage 58 is constituted by passage walls 59 and 59 formed in the outer plate 51 and the back plate 52.
[0014]
The ball removal port 57 is provided with a ball removal device 7 according to the present invention. The ball removing device 7 is roughly constituted by three members, that is, a movable bottom plate 8, an engaging lever 9 and a lever member 10. The movable bottom plate 8 is formed of a synthetic resin in a substantially U-shape, and a small diameter shaft 11 is integrally formed on one side of the bent portion, and a small diameter shaft 12 that is slightly longer than the small diameter shaft 11 is integrally formed on the other side. Is formed. On the other hand, the outer plate 51 and the back plate 52 are provided with bearing cylinders 11a and 12a for supporting the small-diameter shafts 11 and 12 of the movable bottom plate 8 at the upstream edge of the ball outlet 57, respectively. 11 is inserted into the bearing cylinder 11a, and a slightly long small-diameter shaft 12 is inserted into the bearing cylinder 12a so as to be rotatable.
[0015]
The movable bottom plate 8 is provided so as to rotate downward (see the chain line in FIG. 4) by the weight of the ball on the upper surface thereof so as to open the ball outlet 57, and the engagement piece 13 extending downward from the bent portion. When the weight 14 having an annular shape is formed and released from the weight of the sphere, the ball 14 is rotated and returned to a position (see the solid line in FIG. 4) where the ball outlet 57 is closed by the action force of the weight 14. Has been.
[0016]
The engaging lever 9 is formed with a pivot portion 15 having the same length on both sides of the rotating end, a small-diameter shaft 16 at one end of the pivot portion 15, and a little longer at the other end of the pivot portion 15. The small-diameter shaft 17 is projected and formed integrally with a synthetic resin. On the other hand, the outer plate 51 and the back plate 52 are provided with bearing cylinders 16a and 17a for supporting the small-diameter shafts 16 and 17 of the engaging lever 9 below the bearings 11a and 12a. It is mounted so as to be rotatable by being inserted into the bearing tube 16a and by inserting a slightly long small diameter shaft 17 into the bearing tube 17a. Further, a locking projection 18 is formed on the upper surface of the engagement lever 9 to engage the lower end of the engagement piece 13 of the movable bottom plate 8 and restrain the movable bottom plate 8 at a position where the ball outlet 57 is closed. ing. Further, a groove 19 is provided at the center of the engaging lever 9 and a long hole 20 is formed on the side surface thereof.
[0017]
It should be noted that the long and narrow shafts 12 and 17 of the movable bottom plate 8 and the engagement lever 9 do not wobble or tilt when the movable bottom plate 8 and the engagement lever 9 are assembled to the curve rail 5. Thus, it can be supported by the bearing cylinders 12a and 17a in a stable state, which helps to improve workability.
[0018]
The lever member 10 is made of a metal plate and has a wide lever piece portion 21 that is substantially in the shape of a letter, and a linkage pin 22 that protrudes laterally from the lever piece portion 21 and faces the elongated hole 20 of the engagement lever 9. And a pair of bearing pieces 23, 23. The bearing pieces 23 and 23 are obtained by bending the lower end sides of the lever piece portion 21 at right angles, and have shaft insertion holes 23a and 23a. On the other hand, the back plate 52 of the curve rail 5 is integrally formed with a support portion 24 having a U-shaped plane, and through holes 25 and 25 for inserting shafts are provided on both side walls of the support portion 24. . Then, a metal horizontal shaft 26 is passed through the through holes 25, 25 of the support portion 24, and is rotatably mounted by pivotally supporting the horizontal shaft 26 through the shaft insertion holes 23a, 23a of the bearing pieces 23, 23. Is done. 27 and 27 are E-rings that are fitted to both ends of the horizontal shaft 26 to prevent the horizontal shaft 26 from coming off, and 28 is a lever piece portion 21 corresponding to a pin insertion hole 29 formed in the front frame 1. It is the concave part formed in.
[0019]
Thus, it is normal that a coil spring is wound around the horizontal shaft 26 of the lever member 10 to urge the lever member 10 to rotate. However, in the present invention, the support portion 24 of the back plate 52 is attached to the support portion 24. An elastic piece 30 is provided for contacting the lever piece portion 21 of the lever member 10 to urge the lever member 10 to rotate upward (clockwise in FIG. 5). The elastic piece 30 has a tongue shape bent backward, and is integrally formed when the back plate 52 is formed. The elastic piece 30 may be inserted, for example, by a metal leaf spring or screwed.
[0020]
The lever member 10 is always urged to rotate to the position indicated by the solid line in FIG. 4 and FIG. 5 by the elastic piece 30, and the engagement lever 9 is moved upward by the linkage pin 22 that enters the elongated hole 20 of the engagement lever 9. And the lower end of the engaging piece 13 of the movable bottom plate 8 is locked to the locking protrusion 18 to restrain the movable bottom plate 8 at a position where the ball outlet 57 is closed.
[0021]
In such a sphere vent apparatus configured, crowded difference pin 3 7 from the front frame 1 the front of the pachinko machine as the extracting the prize ball prize ball tank 3 shown in FIG. 5 in the pin insertion hole 29 elastic piece The lever piece 21 of the lever member 10 is pushed against the elastic force of 30. At this time, the concave surface portion 28 formed in the lever piece portion 21 functions so that the tip of the pin 37 abuts substantially at the center and prevents the pin 37 from escaping, thereby pressing the lever member 10. Make sure. As a result, the lever member 10 pivots downward as shown by a chain line in FIG. 5, and the engaging lever 9 is moved downward as shown by a chain line in FIG. The engagement with the piece 13 is released. For this reason, the movable bottom plate 8 is in a free state and rotates as shown by a chain line in FIG. 4 with the small-diameter shafts 11 and 12 as fulcrums according to the weight of the ball on the upper surface, thereby opening the ball outlet 57 and dropping the prize ball into the ball passage 58. Can be removed.
[0022]
Then, after the ball has been removed, the pin 37 is inserted into the pin insertion hole 29 again, and the lever member 10 is moved downward against the elastic force of the elastic piece 30 so that the movable bottom plate 8 is moved by the acting force of the weight portion 14. 4 is returned to the position where the ball outlet 57 shown in the solid line is closed, and when the lever member 10 is released, the lever member 10 is returned to the solid line position of FIG. The combination lever 9 returns the engagement protrusion 18 to the position where it engages with the engagement piece 13 and restrains the movable bottom plate 8.
[0023]
In the ball punching device for a pachinko machine according to the first embodiment of the present invention configured as described above, the elastic piece 30 is provided on the support portion 24 that pivotally supports the lever member 10, and the elastic force of the elastic piece 30 is used. Since the lever member 10 is urged to rotate and the movable bottom plate 8 is constrained to the position where the ball outlet 57 is closed via the engaging lever 9, the lever member 10 is rotated as in the conventional device. There is no need to use a coil spring for biasing, the number of parts can be reduced, and the cost can be reduced. In addition, troublesome mounting work of the coil spring is unnecessary, and workability can be improved.
[0024]
FIGS. 6 to 8 show a second embodiment of the present invention. The second embodiment differs from the first embodiment in that the lever member 10 is formed of a synthetic resin instead of a metal plate, and at the lower end. A thin strip piece of elastic piece 30a is integrally provided. As shown in FIG. 7, the elastic piece 30a has an end portion positioned in contact with the upper surface of the passage wall 59 formed on the back plate 52 of the curve rail 5, and urges the lever member 10 to rotate upward. It is designed to give power. Other configurations are the same as those of the first embodiment.
[0025]
Since the ball punching device of the pachinko machine according to the second embodiment configured as described above is one in which the elastic piece 30a is formed integrally with the lever member 10, for example, the elastic force of the elastic piece 30a is increased by long-term use. In the case where it disappears or breaks and breaks, in the first embodiment, the entire curve rail 5 needs to be replaced, but only the lever member 10 needs to be replaced, which is very economical.
[0026]
9 to 12 show a third embodiment of the present invention. This third embodiment is different from the second embodiment in that shaft insertion holes 23a, 23a, 23b are formed on both outer sides of the bearing pieces 23, 23 of the lever member 10. Instead of 23a, shafts 31 and 31 are integrally projected, and on the other hand, opening grooves 32 and 32 for inserting the shafts 31 and 31 of the lever member 10 from the lateral direction are formed on both side walls of the support portion 24, respectively. . And the front-end | tip part of the opening grooves 32 and 32 is formed as the bearing parts 34 and 34 isolate | separated by the space | intervals 33 and 33 narrower than the shafts 31 and 31. FIG. The narrow gaps 33 and 33 are obtained by the triangular protrusions 35 and 35 slightly protruding from the groove edges of the opening grooves 32 and 32. Other configurations are the same as those of the second embodiment.
[0027]
The ball punching device of the pachinko machine of the third embodiment configured as described above is a bearing by pushing the shafts 31 and 31 of the lever member 10 into the opening grooves 32 and 32 of the support portion 24 and passing through the narrow spaces 33 and 33. It is pivotally supported by the portions 34 and 34 so as to be rotatable. By forming the shafts 31 and 31 integrally with the lever member 10, the metal horizontal shaft 26 is unnecessary as in the first and second embodiments, and it is economical, and the E-rings 27 and 27 are used. Since it is not necessary to perform the retaining operation, the assembly operation of the lever member 10 can be performed quickly and easily. 10 and 12, a protrusion 36 is provided on the curved rail 5 attachment surface of the mechanism plate 2, and the protrusion 31 is fitted into the opening groove 32 to insert the shaft 31 of the lever member 10. I'm trying to prevent the removal.
[0028]
【The invention's effect】
As described above, according to the present invention, it is possible to easily assemble the lever member and further reduce the number of parts, thereby exhibiting excellent effects in improving workability and reducing costs.
[Brief description of the drawings]
FIG. 1 is a back view of a pachinko machine to which the present invention is applied.
FIG. 2 is a perspective view of a ball removing device portion according to the present invention.
FIG. 3 is an exploded perspective view of a curve rail assembled with a ball removal device according to the present invention.
FIG. 4 is a front view illustrating the operation of the ball removing device of the present invention with a partial cross section.
FIG. 5 is a side view illustrating the operation of the ball removing device of the present invention with a partial cross section.
FIG. 6 is a perspective view of a ball removing device portion of a second embodiment of the present invention.
7 is a side view showing a partial cross section of the ball removing device of FIG. 6. FIG.
8 is a perspective view of a lever member of the ball removal device of FIG. 6. FIG.
FIG. 9 is a perspective view of a ball removal device portion of a third embodiment of the present invention.
10 is an exploded perspective view of the main part of FIG.
11 is a side view of the main part of FIG. 9;
FIG. 12 is a cross-sectional view of a shaft support portion of a lever member.
FIG. 13 is a perspective view of a conventional ball removing device portion.
14 is a front view illustrating the operation of the ball removing device of FIG.
15 is a cross-sectional view showing a pivotal support structure of the lever member of FIG.
[Explanation of symbols]
2 Mechanism plate 3 Premium ball tank
DESCRIPTION OF SYMBOLS 5 Curve rail 6 Prize ball delivery apparatus 54a-54b Ball flow path 57 Ball extraction port 7 Ball extraction apparatus 8 Movable bottom plate 9 Engaging lever 10 Lever member 21 Lever piece part 22 Linking pin 23, 23 Bearing piece 24 Support part 28 Concave part 30, 30a elastic piece 31, 31 axis
32, 32 Opening groove 34, 34 Bearing part
36 ridges

Claims (1)

The prize sphere in the prize sphere tank provided on the mechanism plate is guided to the prize sphere dispensing device via the curve rail, and a ball outlet is provided in the ball flow path of the curve rail. A ball removing device provided with an engaging lever that restrains the movable bottom plate at a position where the ball outlet is closed, and a lever member that releases the restraint of the movable bottom plate via the engaging lever by rotation ,
The lever member includes a shaft projecting from a pair of bearing pieces formed on both sides of the base portion of the lever piece portion, a linkage pin protruding from the lever piece portion and facing the long hole of the engagement lever, and a strip piece The elastic piece is formed integrally with a synthetic resin, and a support portion having opening grooves formed on both side walls for inserting the shaft from the lateral direction is provided on the curved rail, and a tip portion of the opening groove The shaft is pivotally supported by a bearing portion formed on the support portion, and the elastic piece is brought into contact with the support portion to turn and bias the lever member. In addition to restraining to the closed position, a protrusion is provided on the curve rail mounting surface of the mechanism plate, and the protrusion is inserted into the opening groove to prevent the shaft from being removed. A ball punching device for a pachinko machine.

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